The top boss crossed the doctoral students and found that the master's degree was canceled, and he quickly completed major research and got a million projects.

He continues to chase the source of technology!

From mathematics to theory, from theory to experiments, from experiments to scientific and technological applications.

When the kilometer-long warship was suspended in the air, people suddenly realized that

"the world has changed!"

Qian Jin, who was turned into a salted fish by the scorching sun of 2027, plunged headlong back into the wave of 1977.

Accompanying him is a material purchase and sales certificate that can connect to the 2027 Time and Space Mall.

This document, which needs to be used with gold, allows him to rewind the old items from 77 to 27 years, and then return new materials from 27 years.

At this point, the golden age of Qian Jin has come......

In times of peril, the overlooked Ninth Prince, Qin Wudao, steps up to hold the collapsing empire together, commands the six armies, carries out the sealing ceremony, and establishes an era of abundant prosperity.

"Ding, congratulations, the check-in system is now in place!"

Once awakened, the world becomes aware, who does not recognize this sov